2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

Base Information

Chemical Name:2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile
CAS No.:1430198-65-4
Molecular Formula:C₂₂H₂₂N₂S
Molecular Weight:346.496
Hs Code.:

Synonyms:2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

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Chemical Property of 2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

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Technology Process of 2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

There total 3 articles about 2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 99.0%

: 1430198-64-3
2-[1-(4-(tert-butylthio)phenyl)ethylidene]malononitrile

: 27081-10-3
tropylium tetrafluoroborate

: 1430198-65-4
2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

Guidance literature:: With triethylamine; In dichloromethane; at -78 ℃; for 1.16667h;
DOI:10.1021/jo400362u

Reference yield:

: 25752-90-3
tert-butyl 4-bromophenyl sulfide

: 1430198-65-4
2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

Guidance literature:: Multi-step reaction with 3 steps

1.1: tert.-butyl lithium / tetrahydrofuran; pentane / 0.25 h / -78 °C

1.2: 0.5 h / -78 - 20 °C

2.1: ammonium acetate / toluene; acetic acid / 5 h / 180 °C / Dean-Stark

3.1: triethylamine / dichloromethane / 1.17 h / -78 °C

With ammonium acetate; tert.-butyl lithium; triethylamine; In tetrahydrofuran; dichloromethane; acetic acid; toluene; pentane; 2.1: |Knoevenagel Condensation;
DOI:10.1021/jo400362u

Reference yield:

: 4074-62-8
1-(4-(tert-butylthio)phenyl)ethan-1-one

: 1430198-65-4
2-[2-cyclohepta-2,4,6-trienyl-1-(4'-(tert-butylthio)phenyl)ethylidene]malononitrile

Guidance literature:: Multi-step reaction with 2 steps

1: ammonium acetate / toluene; acetic acid / 5 h / 180 °C / Dean-Stark

2: triethylamine / dichloromethane / 1.17 h / -78 °C

With ammonium acetate; triethylamine; In dichloromethane; acetic acid; toluene; 1: |Knoevenagel Condensation;
DOI:10.1021/jo400362u